20841198

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{241}}^1$

素因数の和:353

約数の個数: 64

約数和(自身を含む): 50181120

約数和(自身を除く): 29339922

約数列:

[1, 2, 3, 6, 7, 14, 21, 29, 42, 58, 71, 87, 142, 174, 203, 213, 241, 406, 426, 482, 497, 609, 723, 994, 1218, 1446, 1491, 1687, 2059, 2982, 3374, 4118, 5061, 6177, 6989, 10122, 12354, 13978, 14413, 17111, 20967, 28826, 34222, 41934, 43239, 48923, 51333, 86478, 97846, 102666, 119777, 146769, 239554, 293538, 359331, 496219, 718662, 992438, 1488657, 2977314, 3473533, 6947066, 10420599, 20841198]

約数ペア:

[(1, 20841198), (2, 10420599), (3, 6947066), (6, 3473533), (7, 2977314), (14, 1488657), (21, 992438), (29, 718662), (42, 496219), (58, 359331), (71, 293538), (87, 239554), (142, 146769), (174, 119777), (203, 102666), (213, 97846), (241, 86478), (406, 51333), (426, 48923), (482, 43239), (497, 41934), (609, 34222), (723, 28826), (994, 20967), (1218, 17111), (1446, 14413), (1491, 13978), (1687, 12354), (2059, 10122), (2982, 6989), (3374, 6177), (4118, 5061)]